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Finding the Fourth Proportional to 93,396.50, 140,062.54 and 30,200.43

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Solution

The fourth proportional to 93,396.50, 140,062.54 and 30,200.43 is: 45,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,396.50 : 140,062.54 = 30,200.43 : x
  2. Step 2: Convert to fraction form
    93,396.50/140,062.54 = 30,200.43/x
  3. Step 3: Cross multiply
    93,396.50x = 140,062.54 × 30,200.43
  4. Step 4: Simplify right side
    93,396.50x = 4,229,948,934.89
  5. Step 5: Solve for x
    x = 4,229,948,934.89/93,396.50
  6. Step 6: Final answer
    x = 45,290.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.